hiboy headers
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Tuned
Joined: Nov 2004
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hiboy headers
Does anyone have headers on a hiboy w/ a 400? i have a 77, am looking for heders, but cannot find any that say they fit, only for 77.5 - 79. was wondering if anyone has them and what make / model they used.
thanks
thanks
Senior User
Joined: Dec 2003
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From: Newhall,CA
You probably have a 1977.5. I Don't Highboys came with a 400 engine. Look at your rear leaf springs. If they are 2.5 inches wide you have a pre 77.5, if they are 3 inches wide you have a post 77.5.
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From: west central florida
Originally Posted by nebechanezer
you could get a 400 in 77, but not before that, is what i've read.
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Joined: Nov 2004
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I had a highboy with a 351M, and the one i have now had a 400 in it, but switched to a 460. You pose a really good question though. I bet you're out of luck. Maybe try L&L Products? (LandLProducts.com, i think) Or Hedman? I know Hedman makes them for the 77.5-79.
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Tuned
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thanks for the replies. i did measure the springs, 2.25" wide. the title says its a 77, ran the vin from the door, says unknown, double check vin, or '72, depending on wether i use "0" or "O". pretty sur its not a 72, but the engine code does say a 400, so it pretty much has to be a 77, divorced case and all. someday i'm gonna find that # on the frame. regardless, its what i have for a plow/work /play truck, so it s what ive got to work with. was hoping to find some used headers to throw on it, just dont know what to look for that will fit. stock exhaust is all rotted off at the engine, so i need to do something if i want to drive it without getting pulled over. looks bad enough as it is.
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Joined: Aug 2003
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From: Texas, just south of NY c
Originally Posted by nebechanezer
Does anyone have headers on a hiboy w/ a 400? i have a 77, am looking for heders, but cannot find any that say they fit, only for 77.5 - 79. was wondering if anyone has them and what make / model they used.
thanks
thanks
............800-669-2430 sk
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Tuned
Joined: Nov 2004
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Originally Posted by skuteman
.............I am using Sanderson Headers . They're made for the 351 cleveland but work with the 400 with the addition of a copper gasket to reduce the ports to the correct size. I've had them for 2 years and they are VERY high quality as they're ceramic coated inside and out .
............800-669-2430 sk
............800-669-2430 sk
thanks, i'll check into those!
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Tuned
Joined: Nov 2004
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Skuteman, i called Sanderson, they gave me part # FC1. They are very short, blockhugger style. their website listing says that a motor mount needs to be moved 1 inch for them to fit. did you have to move anything around for yours to fit?
Elder User
Joined: Aug 2003
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From: Texas, just south of NY c
Originally Posted by nebechanezer
Skuteman, i called Sanderson, they gave me part # FC1. They are very short, blockhugger style. their website listing says that a motor mount needs to be moved 1 inch for them to fit. did you have to move anything around for yours to fit?
Junior User
Joined: Feb 2005
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I am currently looking for a set for my 77 f250 hiboy. I found a set at J.C Whitney for $119.00 they assure me they will fit. What do you guys think.
The previous owner said it came to him with headers so they must make some somewhere.
The previous owner said it came to him with headers so they must make some somewhere.
Elder User
Joined: Jan 2005
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From: Silverdale, WA.
My 77 f250 429 (not stock) is running tri-y custom made headers from the previous owner. They were made by a shop that does racing boat exhaust out in Everett Wa. They fit beautifully, but hang the exhaust awful low for my taste. I can post pics if you guys want.
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Tuned
Joined: Nov 2004
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Originally Posted by 200solomiles
I am currently looking for a set for my 77 f250 hiboy. I found a set at J.C Whitney for $119.00 they assure me they will fit. What do you guys think.
The previous owner said it came to him with headers so they must make some somewhere.
The previous owner said it came to him with headers so they must make some somewhere.
Last edited by nebechanezer; Jun 19, 2005 at 11:26 AM.